W942508CH Datasheet, PDF (4/47 Pages) Winbond – 8M x 4 BANKS x 8 BIT DDR SDRAM

W942508CH
3. KEY PARAMETERS
SYMBOL
tCK
tRAS
tRC
IDD1
IDD4
IDD6
DESCRIPTION
Clock Cycle Time
CL = 2
CL = 2.5
Active to Precharge Command Period
Active to Ref/Active Command Period
OPERATION CURRENT (SINGLE BANK)
Burst Operation Current
SELF-REFRESH CURRENT
MIN./MAX.
Min.
Min.
Min.
Min.
Max.
Max.
Max.
-7
7.5 nS
7 nS
45 nS
65 nS
120 mA
165 mA
3 mA
-75
8 nS
7.5 nS
45 nS
65 nS
120 mA
155 mA
3 mA
SYMBOL
tCK
tRAS
tRC
IDD1
IDD4
IDD6
DESCRIPTION
Clock Cycle Time
CL = 2.5
CL = 3
Active to Precharge Command Period
Active to Ref/Active Command Period
OPERATION CURRENT (SINGLE BANK)
Burst Operation Current
SELF-REFRESH CURRENT
MIN./MAX.
Min.
Min.
Min.
Min.
Max.
Max.
Max.
-5
5 nS
5 nS
40 nS
55 nS
120 mA
165 mA
3 mA
-6
6 nS
6 nS
42 nS
60 nS
120 mA
165 mA
3 mA
-4-